When to go · Mission Viejo
Mission Viejo in August
Avoid month. Listed as a month to avoid: Jul–Aug and Sep (warmest and driest; highs 26–27 °C (79–81 °F), near-zero rain — check heat guidance on trail days).Avoid month. Listed as a month to avoid: Jul–Aug and Sep (warmest and driest; highs 79–81 °F (26–27 °C), near-zero rain — check heat guidance on trail days).
Key facts
- Verdict
- Avoid
- Temperature
- 27°C (81°F)81°F (27°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 0
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jul–Aug and Sep (warmest and driest; highs 26–27 °C (79–81 °F), near-zero rain — check heat guidance on trail days).Listed as a month to avoid: Jul–Aug and Sep (warmest and driest; highs 79–81 °F (26–27 °C), near-zero rain — check heat guidance on trail days).
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- Mission ViejoHighs around 27 °C (81 °F), lows around 16 °C (61 °F), rain on about 0 daysHighs around 81 °F (27 °C), lows around 61 °F (16 °C), rain on about 0 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Mission Viejo, side by side.
Verdict
Aug: Avoid
Mar: Great (better)
Daytime high
Aug: 27 °C (81 °F)81 °F (27 °C)
Mar: 21 °C (70 °F)70 °F (21 °C)
Night low
Aug: 16 °C (61 °F)61 °F (16 °C)
Mar: 8 °C (46 °F)46 °F (8 °C)
Rain days
Aug: 0 (better)
Mar: 5
Crowds
Aug: High
Mar: Medium
Prices
Aug: High
Mar: Medium
Festivals listed
Aug: 0
Mar: 2
August: Listed as a month to avoid: Jul–Aug and Sep (warmest and driest; highs 26–27 °C, near-zero rain — check heat guidance on trail days).
March: Inside Mission Viejo's best window: Mar–May, Sep–Nov.
Mission Viejo: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.